NEC MultiSync FE001SB, Service Manual

Page: 115 / 178

7-6
2.5 Pin Assignments
Pin # Function Circuit
symbols
Pin # Function Circuit
symbols
1 UNLOCK supervisory input
of OSC IC
DEFL-IN
21 Signaling cable detection input
#5(PC)
2 MUTE output
MUTE1
22 Key input
AD1
3 Protector input
X/YRAY-IN
23 Key input
AD0
4 RESET input
RESET
24 DDC communication port
HSDA
5 Power input
VDD
25 DDC communication port
HSCL
6 GND
VSS
26 Vertical convergence control
output
CG-V
7 Crystal oscillator input
X2
27 Horizontal convergence control
output
CG-H
8 Crystal oscillator input
X1
28 POWER SAVE control output
PS2
9 I
2
C communication port
ISDA
29 POWER SAVE control output
PS1
10 I
2
C communication port
ISCL
30 Degaussing control output
DEG
11 CS control output
CS0
31 Not used
TL
12 Not used
AD-DRIFT
32 Vertical sync output
V-OUT
13 Protector input
MEAN-IN
33 Horizontal sync output
H-OUT
14 Protector input
HVOLT-IN
34 Not used
TR
15 Model changeover input
OPTION1
35 MUTE output
MUTE
16 CS control output
CS1
36 Rotation control output
ROT
17 CS control output
CS2
37 Model changeover input
BL
18 Not used
CS3
38 Model changeover input
BR
19 CS control output
CS4
39 Horizontal sync input
H-IN
20 External 5V detection input
PC97
40 Vertical sync input
V-IN
2.6 CS Table
RDF193H/FE991SB/DPlus93SB RDF173H/FE791SB/Dpro750SB Horizontal
frequencies
CS0
Pin 11
CS1
Pin 16
CS2
Pin 17
CS3
Pin 18
CS4
Pin 19
CS0
Pin 11
CS1
Pin 16
CS2
Pin 17
CS3
Pin 18
CS4
Pin 19
<34K L L L H L L L L H L
<36.5K L L H H H H L H H L
<40K L L H H H L L H H H
<44K L H L H L L H L H L
<49K H H L H L L H L H H
<52K H H L H H L H L H H
<58K H H L H H H H L H H
<62.5K L H H H L L H H H L
<67K L H H H L H H H H L
<74K H H H H L H H H H L
<83K L H H H H L H H H H
83K<98K H H H H H H H H H H
98K<
H H H H H H H H H H
2.7 Model Changeover Table
Model Pin 15 Pin 37 Pin 38
RDF193H/FE991SB/DPlus93SB H L H
RDF173H/FE791SB/Dpro750SB H H L